Cancel Order

/sapi/v1/trade/cancel_order

Request type: POST

Signature verification: Yes

Interface permission: Trade

Rate Limit: Generally, the private interface rate limit of API key is at most 144 times every 3 seconds for each UID (Trade Interface: at most 72 times every 3 seconds. Read Interface: at most 72 times every 3 seconds) (this rate limit is shared by all the altcoins contracts delivered by different date).

Interface description: The interface is used to cancel an order in futures trading.

Request Address

Environment	Address
Online	https://api.sunx.io
Online (preferred by aws customers)	https://api.sunx.io

Request Parameter

Parameter	Data Type	Required	Description	Value Range	Default Value
contract_code	String	true	Symbol
order_id	String	false	Order ID
client_order_id	String	false	Your order ID

Response Parameter

Parameter	Data Type	Required	Description	Value Range
order_id	String	true	Order ID
client_order_id	String	true	Your order ID

Either order_id or client_order_id is required.

Request Example

POST https://api.sunx.io/sapi/v1/trade/cancel_order？SignatureVersion=2&SignatureVersion=2&AccessKeyId=<your key>&Signature=<your signature>&SignatureMethod=HmacSHA256&Timestamp=2025-09-16T07%3A16%3A15

{
    "contract_code": "BTC-USDT",
    "order_id": 1417232260146774016
}

Response Example

{
  "code": 200,
  "data": {
    "client_order_id": "1329854625038651392",
    "order_id": "1329854625038651392"
  },
  "message": "Success",
  "ts": 1737104050245
}